Information about #1B372B color

#1B372B color image

Basic facts about this digital color

In the Register's classification, #1B372B belongs to the Spring Green Color Family, featuring Mild Saturation and Dark brightness. In numbers: rgb(27, 55, 43) (10.6% red, 21.6% green, 16.9% blue), or CMYK 11 / 0 / 5 / 78 for print. Curious how these numbers work? Read our RGB color codes guide.

#1B372B presents itself as a mildly saturated spring green — one that stays on the darker end of the scale. It is a natural fit for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Medium Jungle Green (#1C352D). Slightly further away sit Cardin Green (#1B3427) and Palm Green (#20392C).

In RGB terms — rgb(27, 55, 43) — the green channel does the heavy lifting here. Accessibility-wise, white text works best on #1B372B: 12.9:1 contrast (passing WCAG AAA) versus 1.6:1 for black. On paper it relies strongly on black ink (K:78), so proof dark layouts before a large print run. No one has named #1B372B so far. Register a name for it and it becomes a permanent record.

#1B372B color variations

View this color variations of tints, shades, tones and hues.

#1B372B color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes

Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme

Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

Nearest named colors to #1B372B

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Conversions between color systems and etc.

  • HEX#1B372B
  • RGB27, 55, 43
  • CMYK11, 0, 5, 78
  • CSSrgb(27, 55, 43)
  • HSL154°, 34%, 16%
  • HSL Precise154.286°, 34.146%, 16.078%
  • HSV154°, 51%, 22%
  • HSB154°, 51%, 22%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.216
  • Normalized B (0.0–1.0)0.169
  • GLSLvec3(0.106, 0.216, 0.169)
  • GLSL with alphavec4(0.106, 0.216, 0.169, 1.000)
  • HLSL / Metalfloat3(0.106, 0.216, 0.169)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB21.6%
  • Percentage of Blue in RGB16.9%
  • Color FamilySpring Green
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID1B372B
  • DECIMAL ID1783595
  • Name LengthThis color has no name
  • Seen by search & AI crawlers13 times
  • Counting from2025-01-01